how to optimize stored procedures in sql server

rolled back later, the parameter value will not be returned to the previous value. The value returned to the caller is always the value returned by the process. Nesting is generated when one stored procedure calls another stored procedure. When the call process starts to be executed, the nested level will increase. When the call process ends, the nested level will decrease. The maximum number of nested links is 32. If the number of nested links exceeds 32, the entire call process chain fails.

1. overview: As a DBA, you often need to check all databases or user tables, such as checking the capacity of all databases and the capacity of all user tables in the specified database, number of records in all tables ..., generally, we use cursors to process such problems separately. For example, when the database retrieval efficiency is very slow, we want to check all the user tables in the database, we must write the cursor to meet the requirements. If we use sp_msforeachtable, we can easi

The definition of a stored procedure, A stored procedure (Stored Procedure) is a set of SQL statements that is compiled and stored in a database to complete a specific function, and the user specifies the name of the stored procedure and gives the parameter if the stored procedure is executed with parameters.In the series version of SQL Server, stored

When a system uses a lot of tables, and there are a lot of stored procedures, when a table in the database deleted a field, then the corresponding stored procedures need to be changed, but we do not know which stored procedures used the field, then what should we do? We can find stored procedures that use the field fro

Three ways that stored procedures in SQL Server are returned (including the creation of stored procedures, calls in stored procedures, methods called in VS)There are three types of stored procedures to return:1. Return numeric dat

Java uses JDBC technology to manipulate SQL Server database execution stored procedures:1. New SQL Server database: java_conn_test2. New table: Tb_user3. Create a new three stored procedure, respectively:1> new user stored procedure with parameters:CREATE PROCEDURE [dbo].[P_

(Microsoft strongly recommends that system administrators use powerful PowerShell to manage the system), specify the source file path , and then install it:Install-windowsfeature net-framework-core–source G: \sources\sxs2. Use the DISM command at the command prompt to specify the source file path and then install it:dism/online/enable-feature/featurename:netfx3/source:G: \sources\sxs 3. Specify the shared path using the file share containing the SxS folder:Install-windowsfeature net-framework-

/* Stored Procedures * * Sp_databases--Lists all databases on the server Sp_server_info-Lists server information, such as character set, version, and order sp_stored_procedures--lists all stored procedures in the current environment Sp_tables--Lists all the objects in the current environment that can be queried Sp_star

Label:The concept of stored procedures Stored procedure procedure is a set of SQL statements that are compiled to complete a particular function, stored in a database, and executed by specifying the name of the stored procedure and giving parameters. Stored procedures can contain logical control statements and data manipulation statements, which can accept parame